(19)

(11)

EP 0 660 667 A1

(12)

(43) Date of publication: 05.07.1995 Bulletin 1995/27 (21) Application number: 93918835.0 (22) Date of filing: 25.08.1993

(51) International Patent Classification (IPC):  A01N 49/ 00( . ) A01N 55/ 08( . ) A01N 55/ 00( . ) A01N 55/ 10( . ) (86) International application number: PCT/CA1993/000353 (87) International publication number: WO 1994/006295 (31.03.1994 Gazette 1994/08)

(84) Designated Contracting States: GB (30) Priority: 18.09.1992 US 19920948142 14.05.1993 US 19930061001 (71) Applicants: INTERNATIONAL FLAVORS & FRAGRANCES INC. New York New York 10019 (US) THE UNIVERSITY OF FLORIDA Gainesville, Florida 32611 (US)

(72) Inventors: WARREN, Craig, B. Rumson, NJ 07760 (US) BUTLER, Jerry, F. Gainesville, FL 32605 (US) WILSON, Richard, A. Westfield, NJ 07090 (US) BROOKHERJEE, Braja, D. Holmdel, NJ 07733 (US) SMITH, Leslie, C. Plainsboro, NJ 08536 (US) MARIN, Anna, Belle Leonardo, NJ 07737 (US) NARULA, Anubhav, P., S. Hazlet, NJ 07730 (US) BODEN, Richard, M. Ocean, NJ 07712 (US) (74) Representative: Pöhlau, Claus, Dipl.-Phys.  Patentanwälte Louis, Pöhlau, Lohrentz& Segeth, Postfach 30 55 D-90014 Nürnberg D-90014 Nürnberg (DE)